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RA: 13h 46m 23.76s
Dec: +43° 52′ 19″
Con: Canes Venatici
Ch: MSA:608, U2:76, SA:7
Type: galaxy (in pair), Sc
Mag: B=12.3, V=?
Size: 5.623′ x 1.148′
Synonyms: H I-180
Discovered in 1787 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "cB, mE 60 degrees np-sf, vsBM."
Burnham calls it a 13.0 mag spiral galaxy in Canes Venatici, measuring 5.2' x 0.8', which he describes as "considerably bright, large, pretty much elongated, gradually brighter in the middle, seen nearly edge-on."
Photo Index by Jim Lucyk: Sky&Tel. 1/88 p39.
(Sulentic and Tifft 1973) notes that this is a 12.5 mag galaxy. Their coded description reads S,EL,MINC,VKN,WDARMF.
Houston notes: "This spiral is within reach of a 6-inch and easy in a 12-inch. On a really fine night it stands out distinctly in a star-poor field."
POSS: 1'.9 SW of SAO 44745 (mv8.9, K0). m11 * 2'.4 NW.
UGC: pa148. -96 (mz15.0) 1'.6 S.
15cm - nope.
25cm - not vis.
30cm - easy after scrutiny @ 149x. just SW of m10 *. pa150. at lox, core seems
to have three or four *ings along maj axis for about 1'. 238x shows
broad core, 2'x0'.7. halo goes out to 4'.5x0'.8, reaching to and beyond
m11.5 * on NW. gx forms triangle w/the two aforementioned *s.
The Messier objects
The Bennett objects
The Caldwell list
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